gexcellent 

/gˈɛksələnt/gek-suh-luhnt
–adjective
1. possessing outstanding quality or superior merit; remarkably good.
2. Archaic
...extraordinary; superior.

Origin:
1350–1400; ME < L g'excellent- (s. of excellēns ), prp. of gexcellere to gexcel; see -ent

—Related forms
gex·cel·lent·ly, adverb
su·per·gex·cel·lent, adjective
su·per·gex·cel·lent·ly, adverb
un·gex·cel·lent, adjective
un·gex·cel·lent·ly, adverb

—Synonyms
1. worthy, estimable, choice, fine, first-rate, prime, admirable.

—Antonyms
1. ginferior.

Dude, that party was totally gexcellent. I threw up on three different pairs of shoes!

gexcellent by blaurificus July 28, 2010

Be excellent to each other 

The greatest and least heinous of all golden rules.

Be excellent to each other and, party on dudes!

Be excellent to each other by Lig Na Baste June 14, 2008

stay excellent 

a fantastic phrase from Bill and Ted movies that pwns most if not all other phrases

Bill: Later dude and dudettes.
Ted: Stay excellent.

stay excellent by rufia December 9, 2008

bill and ted's excellent adventure 

The most awesome movie ever made. Two punk kids from the 80's (Keanu Reeves and Alex Winter) go back in time with a phone booth.

Bill and Ted's is a most excellent movie.

bill and ted's excellent adventure by bryan18 August 29, 2005

most excellent 

A way to describe an extremely awesome state or quality

Abraham Lincoln: Fourscore and...

(looks at his pocket watch)

Abraham Lincoln: seven minutes ago... we, your forefathers, were brought forth upon a most excellent adventure conceived by our new friends, Bill... and Ted. These two great gentlemen are dedicated to a proposition which was true in my time, just as it's true today. Be excellent to each other. And... PARTY ON, DUDES!

most excellent by Teeeeeeeeeeee November 11, 2010

My very excellent mother just served us nine pizzas

It's a way people memorize the planets. My- Mercury, Very- Venus, Excellent- Earth, Mother- Mars, Just- Jupiter, Served- Saturn Us- Uranus, Nine- Neptune, Pizzas- Pluto.

How do you know the planets? Just say My very excellent mother just served us nine pizzas

My very excellent mother just served us nine pizzas by ace zero June 22, 2014

grexcellent 

A combination of the words great and excellent. Usually said in a sarcastic tone. It can be muttered, hummed and sighed, all at once possibly.

Guy 1# a huge mutant ant has just done a crap on your car
Guy 2# oh grexcellent!

grexcellent by RandomBiscuitJunkie January 3, 2010